The Full form of SS2 is Signalling System 2 (600/750 Hz tones), or SS2 stands for Signalling System 2 (600/750 Hz tones), or the full name of given abbreviation is Signalling System 2 (600/750 Hz tones).
SS2 (Signalling System 2 (600/750 Hz tones))
Signalling System 2 (600/750 Hz tones) is known as SS2.
SS2 all full forms
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